‘Little Big League’ Star Brad Lesley — Died Of A Heart Attack, NOT Kidney Failure

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Brad Lesley
 — who fashioned a sports-movie career out of a few seasons in Major League bullpens — died of a heart attack … NOT kidney failure, as previously believed … according to the death certificate obtained by our sources.

Leslie was 54 when he died in a Marina Del Rey hospital April 29, as our sources first reported. His ex-wife said he”d been in a nursing home for months due to kidney problems that required dialysis … and that he died of kidney failure.

But the death certificate says it was cardiac arrest that got him … brought on by a case of coronary artery disease … and he never had surgery for it.

Lesley spent 1982 to 1985 as a relief pitcher for the Cincinnati Reds and Milwaukee Brewers … in the “90s, the native Californian appeared in “Mr. Baseball” and “Little Big League.”